Make dynamic mock bindings initialization consistent with other GL implementations

gpu/command_buffer/service/gpu_service_test.cc

Index: gpu/command_buffer/service/gpu_service_test.cc
diff --git a/gpu/command_buffer/service/gpu_service_test.cc b/gpu/command_buffer/service/gpu_service_test.cc
index 753a8af3121fce6cb5c255a7e59998f8b3a00042..b1608eb6f5c28ef7147eb566ebfff355d09207a4 100644
--- a/gpu/command_buffer/service/gpu_service_test.cc
+++ b/gpu/command_buffer/service/gpu_service_test.cc
@@ -37,7 +37,6 @@ void GpuServiceTest::SetUpWithGLVersion(const char* gl_version,
   context_->SetGLVersionString(gl_version);
   surface_ = new gl::GLSurfaceStub;
   context_->MakeCurrent(surface_.get());
-  gl::GLSurfaceTestSupport::InitializeDynamicMockBindings(context_.get());
   ran_setup_ = true;
 }